commit bbde5ceaee75d67802c9e2018c23adcc292d75e8
from: Martijn van Duren <martijn@openbsd.org>
date: Thu Mar 28 17:13:13 2019 UTC

Remove RB trees, since we probably let the client implement their timeouts

commit - 57d45cc8af4306005f9b3e7ece21a0050755b4cd
commit + bbde5ceaee75d67802c9e2018c23adcc292d75e8
blob - 0ed8394df9e95b8fd668a234d13250aab4334b33
blob + 4ab66caa6dbfaeaf85a4fc4f8d3086a46b1c69b4
--- smtp_proc.c
+++ smtp_proc.c
@@ -1,5 +1,4 @@
 #include <sys/time.h>
-#include <sys/tree.h>
 #include <sys/socket.h>
 
 #include <arpa/inet.h>
@@ -23,7 +22,6 @@ typedef int (*smtp_cb)(char *, int, struct timespec *,
 
 struct smtp_callback;
 struct smtp_request;
-RB_HEAD(smtp_requests, smtp_request) smtp_requests;
 
 static int smtp_register(char *, char *, char *, smtp_cb);
 static void smtp_newline(int, short, void *);
@@ -31,15 +29,7 @@ static void smtp_connect(struct smtp_callback *, int, 
     uint64_t, uint64_t, char *);
 static void smtp_handle_filter(struct smtp_callback *, int, struct timespec *,
     uint64_t, uint64_t, void *);
-static int smtp_request_cmp(struct smtp_request *, struct smtp_request *);
-RB_PROTOTYPE_STATIC(smtp_requests, smtp_request, entry, smtp_request_cmp);
 
-struct smtp_request {
-	uint64_t reqid;
-	uint64_t token;
-	RB_ENTRY(smtp_request) entry;
-};
-
 struct smtp_callback {
 	char *type;
 	char *phase;
@@ -289,11 +279,3 @@ smtp_register(char *type, char *phase, char *direction
 	errno = EINVAL;
 	return -1;
 }
-
-static int
-smtp_request_cmp(struct smtp_request *r1, struct smtp_request *r2)
-{
-	return r1->reqid - r2->reqid;
-}
-
-RB_GENERATE_STATIC(smtp_requests, smtp_request, entry, smtp_request_cmp);